Prosecution Insights
Last updated: October 26, 2026

Raymond Rei-Yang Chai, USPTO Patent Examiner

Listed by the USPTO as CHAI, RAYMOND REI-YANG

Tech Center 2800 • Art Units: 2844 2845

This examiner grants 75% of resolved cases

Analysis

CHAI, RAYMOND REI-YANG has 577 resolved cases, with a 75.0% allowance rate and a median of 673 days to allowance. The profile is in Tech Center 2800 and art unit 2844. The 15.9% interview lift indicates a positive measured relationship between interviews and the recorded prosecution outcomes.

The listed companies are Hella GmbH & Co. KGaA, Kia Corporation, and Signify Holding B.V., representing automotive systems, vehicle technology, and lighting. HUSCH BLACKWELL LLP, Norton Rose Fulbright US LLP, and VOLPE KOENIG are the leading listed firms. The allowance timing and interview measure together can inform filing and response planning for comparable matters.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

75.0%
Allow Rate
+7.0% vs TC avg
619
Total Applications
+15.9%
Interview Lift
673
Avg Prosecution Days
Based on 577 resolved cases, 2023–2026

Rejection Statute Breakdown

3.9%
§101 Eligibility
17.8%
§102 Novelty
48.5%
§103 Obviousness
22.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18973662 Light Emission Circuit and Method for Handheld Tool Final Rejection Robert Bosch GmbH
18944295 CONTROL UNIT Non-Final OA Hella GmbH & Co. KGaA
18897224 METHOD FOR OPERATING A LIGHT-BASED DRIVER ASSISTANCE SYSTEM OF A MOTOR VEHICLE Final Rejection Hella GmbH & Co. KGaA
18911391 Switchgear Final Rejection ABB Schweiz AG
18340750 BROADBAND PATCH ANTENNA Non-Final OA QUALCOMM Incorporated
18328346 LIGHTING CONTROL SYSTEM, METHOD AND DEVICE FOR DRIVING AT LEAST ONE LIGHT SOURCE Final Rejection Orange
19052004 UWB-BASED VEHICLE LIGHTING CONTROL SYSTEM AND METHOD Final Rejection KIA CORPORATION
18948036 POWER MODULE Non-Final OA Kia Corporation
19147005 SENSOR DEVICE AND METHOD FOR ASSESSING AIR FLOW INFLUENCE Non-Final OA SIGNIFY HOLDING B.V.
19107724 RENDERING ENTERTAINMENT LIGHT EFFECTS BASED ON PREFERENCES OF THE NEAREST USER Non-Final OA SIGNIFY HOLDING B.V.
18861115 LIGHTING DEVICE AND VEHICLE LAMP Final Rejection KOITO MANUFACTURING CO., LTD.
18711750 ILLUMINATION SYSTEM, CONTROL METHOD FOR ILLUMINATION SYSTEM, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM Non-Final OA KYOCERA Corporation
18038656 OPTOELECTRONIC COMPONENT, METHOD FOR CONTROLLING AT LEAST ONE SEGMENT OF AN OPTOELECTRONIC COMPONENT, AND METHOD FOR DETERMINING AN ARRANGEMENT OF AT LEAST TWO OPTOELECTRONIC COMPONENTS Non-Final OA ams-OSRAM International GmbH
18936860 THERMAL ARCHITECTURE DESIGNS FOR A HEAD-WORN DEVICE, AND SYSTEMS AND METHODS OF USE THEREOF Non-Final OA Meta Platforms Technologies, LLC
19087358 LIGHTING SYSTEM WITH A PROGRAMMABLE CORRELATED COLOR TEMPERATURE SETTING AND DIMMER LEVEL Final Rejection ERP POWER, LLC
19091289 LIGHT FIXTURE WITH EXTERNALLY SELECTABLE INTENSITY OR COLOR TEMPERATURE Final Rejection ABL IP Holding LLC
17667807 LED LIGHTING CHANNELS HAVING SPECTRAL POWER DISTRIBUTION CHARACTERISTICS AND RELATED MULTI-CHANNEL TUNABLE WHITE LIGHTING SYSTEMS Non-Final OA Korrus, Inc.

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Frequently Asked Questions

What is examiner Raymond Rei-Yang Chai's allowance rate?

75.0% of resolved applications examined by Raymond Rei-Yang Chai were allowed (577 resolved cases), compared with 72.3% across Art Unit 2844 over the last five years.

Does an interview help with examiner Raymond Rei-Yang Chai?

This examiner's interview lift is +15.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Raymond Rei-Yang Chai take to allow a patent?

Applications allowed by Raymond Rei-Yang Chai took 673 days on average from filing to allowance.

Which art unit does examiner Raymond Rei-Yang Chai work in?

Raymond Rei-Yang Chai examines applications in Art Unit 2844 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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